Product Number: 79843ELZ

RS-485, 3 Pr #24 Str TC, FoamPE Ins, OS+TC Brd, LSZH Jkt, Eca

RS-485, 3 Pair, 24 AWG stranded (7x32) Tinned Copper conductors, Foamed Polyethylene insulation, twisted pairs, overall Beldfoil® (100% coverage) + Tinned Copper braid shield (65% coverage), 24 AWG stranded Tinned Copper drain wire, LSZH jacket, CPR Eca

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79843ELZ
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Specifications

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Suitable Applications

RS-485, POS; Computer communications; Low Voltage Analog Signals (4-20ma, 0-10v, ...); Low Voltage Digital Control (24v, …); Line Level Audio; Panel Wiring; serial communication (RS-485 standard) comprising of PLCs, VFDs, HMIs, motors, RTU, SCADA, etc. within noisy environments over long distance, etc.

Conductor

Element No. of Elements Size Stranding Material
Pair(s) 3 24 AWG 7x32 TC - Tinned Copper

Insulation

Element Material Nom. Thickness Nom. Insulation Diameter Color Code
Pair(s) PE - Polyethylene (Foam) 0.40 mm (0.016 in) 1.40 mm (0.0551 in) White/Blue & Blue/White, White/Orange & Orange/White, White/Green & Green/White

Outer Shield

Shield Type Material Coverage Drainwire Type
Tape Bi-Laminate (Alum+Poly) 100% 24 AWG (7x32) TC
Braid Tinned Copper (TC) 65%

Outer Jacket

Material Nom. Thickness Nom. Diameter
LSZH - Low Smoke Zero Halogen (Flame Retardant) 0.6 mm (0.024 in) 7.20 mm (0.283 in)

Overall Cable Diameter (Nominal)

7.20 mm (0.283 in)

Electricals

Element Nom. Conductor DCR Nom. Capacitance Cond-to-Cond Nom. Capacitance Cond-to-Other (Conds + Shield) Nom. Characteristic Impedence Nom. Velocity of Prop. Max. Current
Pair(s) 78.7 Ohm/km (24.0 Ohm/1000ft) 40 pF/m (12 pF/ft) 78 pF/m 120 Ohm 66% 1.54 Amps per Conductor

Nom. Outer Shield DCR

7.7 Ohm/km (2.3 Ohm/1000ft)

High Frequency (Nominal/Typical)

Element Frequency [MHz] Nom. Insertion Loss (Attenuation)
Pair(s) 1 1.97 dB/100m (0.600 dB/100ft)

Voltage

Voltage Rating
300 V

Temperature

Operating Installation Storage
-20°C To +70°C -10°C To +70°C -20°C To +70°C

Bend Radius

Stationary Min. Installation Min.
36 mm (1.4 in) 72 mm (2.8 in)

Max. Pull Tension

470 N (110 lbf)

Bulk Cable Weight

51 kg/km (34 lbs/1000ft)

Environmental Suitability

Indoor - Euroclass Eca, Indoor, Non-Halogenated

Flammability / Reaction to Fire

IEC 60332-1-2

CPR Compliance

CPR Euroclass: Eca

ISO/IEC Compliance

IEC 61034-2 - Smoke Density Min Transmittance = 60%

CENELEC Compliance

EN 50290-2-20

European Halogen Free Standards

IEC 62821-1 Halogen Free Compliance = Yes, IEC 60754-1 - Halogen Amount = Zero, IEC 60754-2 - Halogen Acid Gas Amount - Max. Conductivity = 2.5 µS/mm, IEC 60754-2 - Halogen Acid Gas Amount - Min. pH = 4.3

European Directive Compliance

EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), EU Directive 2011/65/EU (RoHS 2)

UK Regulation Compliance

UKCA Mark

Other Standard Compliance(s)

DMX-512

Notes

This is a preliminary Technical Design Specification (TDS). The minimum business quantity to offer is 6km for the first order. This product will have Gray as standard color and 305mt as standard put-ups. Additional options for colors and put-ups are available on special request. The estimated production lead time for the first order will be similar to the production lead time of 9843NH. Please liaise with your Belden representative for confirmation.

Update and Revision

Revision Number: 0.5 Revision Date: 07-24-2025

Update and Revision

Revision Number: 0.5 Revision Date: 07-24-2025


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Resources

Brochures and Guides
All Resources
Compliance Documentation